Question 8 5 pts
A solid, orange PURE SUBSTANCE (K2Cr207) was heated yielding a
colorless gas and a green solid. What kind of material was heated?
O a solution
O an element
O a compound
O a mixture

An occluded front moves over the farmland that has been experiencing drought conditions. what change in weather will this front likely bring? a. gray skies, but no rain b. an extended period of rain c. more dry air and sunny skies d. violent, short-lived thunderstorms

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.